URLConnection写一个html下载
时间: 2023-04-02 19:00:43 浏览: 76
可以使用URLConnection来下载HTML文件,具体代码如下:
```
import java.io.*;
import java.net.*;
public class DownloadHTML {
public static void main(String[] args) {
try {
URL url = new URL("http://www.example.com/index.html");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setConnectTimeout(500);
conn.setReadTimeout(500);
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
StringBuilder content = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
content.append(inputLine);
}
in.close();
File file = new File("index.html");
FileWriter writer = new FileWriter(file);
writer.write(content.toString());
writer.close();
System.out.println("HTML file downloaded successfully.");
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
这个程序会从指定的URL下载HTML文件,并将其保存到名为"index.html"的文件中。注意,你需要替换URL为你要下载的HTML文件的URL。